The drivers for the Universal Serial Bus (USB) Controller with Hardware ID PCI\VEN_8086&DEV_8C31&SUBSYS_20498086&REV_04 can be found on the motherboard CD for the Intel DH87RL or DH87MC motherboard. The actual device is called Intel(R) USB 3.0 eXtensible Host Controller, if you wish to search for the driver on the Intel website.